“This is the first time that anyone has been able to show clearly that the loss of the ability to identify smells is correlated with biological markers indicating the advance of the disease [Alzheimer’s]” — Marie-Elyse Lafaille-Magnan, a doctoral student at McGill and the first author on this new study.

If you own, say, three apartments, why shouldn't you be allowed to rent out two of them as often as you wish? What is the moral justification here? Airbnb is just an easy common market where a big company has no particular advantage over an individual owner of an apartment.